Shorefishes of the Eastern Pacific online information system

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Species: Seriola peruana, Fortune jack

All Families:   All Genera:   All Species:

snout short, round
upper profile more convex than lower
body tan
fins dark
mouth ends just behind mid-pupil
bone above top jaw moderately wide
gill rakers 30-34

Seriola peruana Steindachner, 1881

Fortune jack

Body elongate, fusiform, compressed; upper body profile more convex than lower profile; snout short, rounded; mouth ends just behind center of pupil, supramaxilla bone above top jawbone moderately wide; gill rakers (excluding rudiments) 30-34; dorsal fin with VII-VIII spines (front spines may be imbedded in very large fish), then a notch before I, 31-35; anal fin II isolated spines (reduced or embedded in large fish) + I, 20-22, its base much shorter than soft dorsal base; pectoral short (< head length); no isolated finlets after dorsal and anal fins; tail base with grooves on dorsal and ventral surface of tail fin base, but no lateral fleshy keel; lateral line with slight arch over pectoral region; no scutes (hard spiny scales) on lateral line.

Olivaceous to bluish on back, sides silvery to slightly bronzy; fins somewhat dusky; no bars or stripe on head or body. Juvenile: membranes of 2nd  dorsal and anal fins dark.

Size: reaches at least 66.5 cm and 2.66kg common to 45 cm.

Habitat: coastal pelagic and demersal.

Depth: 0-30 m.

The SW Gulf of California to Chile, including the Galapagos and Malpelo.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom + water column
  • Mid Water
  • Near Surface
  • Near Bottom
  • Bottom
  • Rocks
  • Water column
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • Carnivore
  • No Data
  • Octopus/squid/cuttlefish
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • TEP endemic
  • Island (s)
  • Continent + Island (s)
  • Continent
  • All species
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 92
Depth Range Min
  • 0
Depth Range Max
  • 30